For those who’re during the U.S., all real bills could have a watermark of the individual whose portrait is over the bill. They’ll even have a protection thread embedded while in the paper that glows underneath ultraviolet light. With the advent of increasingly complex gear—which include desktops, printers, and copiers—counterfeiting https://b86307.blazingblog.com/34556207/what-does-us-currency-copyright-guide-mean